| Patent application number | Description | Published |
|---|
| 20080219221 | ORTHOGONAL VARIABLE SPREADING FACTOR (OVSF) CODE ASSIGNMENT - The invention includes a system and methods for orthogonal variable spreading factor (OVSF) code assignment, de-allocation and code tree pruning. The invention also includes OVSF code identification and storage schemes. Embodiments are provided for code tree pruning, code assignment and de-allocation. These embodiments apply to both slotted and non-slotted code division multiple access systems. | 09-11-2008 |
| 20080304453 | METHOD AND APPARATUS FOR SEQUENTIAL MESSAGES - A method and apparatus for sequential measurement reporting in media independent handover communications are disclosed. In a first embodiment a measurement time field is added to existing IEEE 802.21 measurement report messages. In a second embodiment a measurement sequence number field is added to existing IEEE 802.21 measurement report messages. Optionally, the measurement time field, or sequence number field may be included in an IEEE 802.21 message. | 12-11-2008 |
| 20080305799 | HETEROGENEOUS NETWORK HANDOVER-SUPPORT MECHANISM - Methods and mechanisms enhance heterogeneous media independent handover (MIH) between different link layer technologies. Embodiments include using an MIH proxy entity, MIH capable network controller, and an MIH server. Enhancements are made to the query phase, preparation phase, execution phase and completion phase by including required information in MIH messages. | 12-11-2008 |
| 20090042583 | WIRELESS COMMUNICATION METHOD AND APPARATUS FOR IMPLEMENTING ACCESS POINT STARTUP AND INITIAL CHANNEL SELECTION PROCESSES - A startup process of an access point (AP) includes a discovery phase and an announcement phase. During the discovery phase, the AP detects neighboring APs from its own extended service set (ESS), neighboring APs from different ESSs, and external sources of interference. During the announcement phase, the AP transmits its beacon signals at maximum power in order to accelerate recognition by neighboring APs running the discovery phase. An automatic initialization channel selection process of an AP scans channels the AP will use to communicate. Information of each scanned channel is recorded and a best performance channel is determined for use by the AP. | 02-12-2009 |
| 20090092094 | METHOD AND APPARATUS FOR IDENTIFYING MOBILE NETWORK PROTOCOL CAPABILITIES - A method and apparatus for improving handover in an IEEE 802.21 compliant communication network. A query is transmitted from a wireless transmit/receive unit (WTRU) to a media independent handover (MIH) server (MIHS). The WTRU includes a target point of attachment (PoA) and/or a preferred mobile inter protocol (MIP) method. The WTRU receives a response from the MIHS indicating the MIP method supported by the target PoA. Based on the received response, the WTRU may make an informed decision regarding handover. | 04-09-2009 |
| 20090092115 | APPARATUS AND METHODS FOR CENTRAL CONTROL OF MESH NETWORKS - A method and a wireless communication device that implements a control node for a mesh network. Preferably, the device and method are used in an 802.11 LAN. | 04-09-2009 |
| 20090103491 | LINK LAYER QUALITY OF SERVICE PARAMETER MAPPING - A detailed QoS parameter mapping of 3GPP QoS parameters to IEEE 802.21 MIH link QoS parameters. The detailed mapping includes an IEEE 802.21 Supported Number of Class of Service (CoS) parameter to indicate supported 3GPP QoS classes (conversational, streaming, interactive, and background). IEEE 802.21 MIH capable networks may use the detailed mapping to improve access-independent mobility management. A wireless transmit/receive unit (WTRU), an access point, and other network infrastructure capable of performing the detailed QoS parameter mapping are also disclosed. | 04-23-2009 |
| 20090135788 | ORTHOGONAL VARIABLE SPREADING FACTOR (OVSF) CODE ASSIGNMENT - The invention includes a system and methods for orthogonal variable spreading factor (OVSF) code assignment, de-allocation and code tree pruning. The invention also includes OVSF code identification and storage schemes. Embodiments are provided for code tree pruning, code assignment and de-allocation. These embodiments apply to both slotted and non-slotted code division multiple access systems. | 05-28-2009 |
| 20090239554 | METHOD AND APPARATUS TO DELIVER PUBLIC WARNING MESSAGES - A method and apparatus for a wireless transmit receive unit (WTRU) to receive an emergency situation notification. The method and apparatus include the WTRU receiving a paging message with an emergency situation notification, and the WTRU receiving scheduling information in a system information block. | 09-24-2009 |
| 20090268671 | WIRELESS COMMUNICATION METHOD AND APPARATUS FOR IMPLEMENTING ACCESS POINT STARTUP AND INITIAL CHANNEL SELECTION PROCESSES - A startup process of an access point (AP) includes a discovery phase and an announcement phase. During the discovery phase, the AP detects neighboring APs from its own extended service set (ESS), neighboring APs from different ESSs, and external sources of interference. During the announcement phase, the AP transmits its beacon signals at maximum power in order to accelerate recognition by neighboring APs running the discovery phase. An automatic initialization channel selection process of an AP scans channels the AP will use to communicate. Information of each scanned channel is recorded and a best performance channel is determined for use by the AP. | 10-29-2009 |
| 20090318145 | PUSH MECHANISM FOR INFORMATION SERVICES IN IEEE 802.21 MEDIA INDEPENDENT HANDOVER - A push mechanism for IEEE 802.21 media independent handover (MIH) information services (IS) is provided to push information to MIH users. Alternatively, an indication may be provided that information is available, and a pull mechanism may then be implemented to retrieve the information. | 12-24-2009 |
| 20100008344 | SELF-CONFIGURABLE WIRELESS LOCAL AREA NETWORK NODE - In a wireless local area network including an access controller (AC) and an access points (AP), the AC transmits a functionality inquiry to the AP. Upon receiving the inquiry, the AP transmits a query response including the functional capabilities of the AP. The AC then generates a map of the functional capabilities present in the network based on the inquiry response. Conflicting or redundant functional capabilities are identified and are disabled, enabled, or reconfigured by instructions from the AC. The AC may selectively enable and/or disable functional capabilities at nodes in the network to provide a more balanced load on the network, and to provide for load sharing by allocating functionalities between and among network nodes having common functional capabilities to satisfy a variety of situations encountered in the network. | 01-14-2010 |
| 20100022247 | MEASUREMENT REQUEST REPORT EXTENSIONS FOR MEDIA INDEPENDENT HANDOVER - A method and apparatus for generating a measurement report request including media independent handover (MIH) information at a medium access control (MAC) device for use in configuring a physical layer measurement device to measure the physical layer and generate a MIH event report are provided. The request is sent to a physical layer measurement device which is configured using the MIH information. A physical channel is then measured based on the MIH information. A MIH event is generated at the physical layer device and sent to a higher layer device. | 01-28-2010 |
| 20100220687 | SPECTRUM MANAGEMENT ACROSS DIVERSE RADIO ACCESS TECHNOLOGIES - A network management node may manage a network of base stations and wireless transmit/receive units (WTRUs) that operate using diverse radio access technologies. The network management node may communicate with other network management nodes to manage spectrum usage across their respective managed networks. The network management node may acts as a proxy for cellular-capable WTRUs that operate within the managed networks. The network management node may perform handovers of Peer-to-Peer (P2P) groups that operate within the managed networks. The WTRUs may include WTRUs that operate at Very High Frequency (VHF) or Ultra High Frequency (UHF) spectrum (“white space”) frequencies. | 09-02-2010 |
| 20100246532 | WIRELESS COMMUNICATION METHOD AND SYSTEM FOR IMPLEMENTING MEDIA INDEPENDENT HANDOVER BETWEEN TECHNOLOGICALLY DIVERSIFIED ACCESS NETWORKS - A wireless communication method and device may be used to perform a media independent handover between technologically diversified access networks. A wireless transmit/receive unit (WTRU) may be configured to communicate with a plurality of technologically diversified access networks, such as Institute of Electrical and Electronics Engineers (IEEE) 802.X networks and Third Generation Partnership Project (3GPP) networks. The WTRU may include a plurality of access network specific protocol stacks and a media independent handover (MIH) function. The WTRU may be configured to communicate information with each of the plurality of access network specific protocol stacks using protocols specific to each to the plurality of access network protocol stacks. | 09-30-2010 |
| 20100284291 | MOBILITY MANAGEMENT WITH DOWNLINK-ONLY WIRELESS NETWORKS - A wireless transmit/receive unit (WTRU) may include a media application that receives data from a media server via a link on a downlink (DL) -only radio access network. The link on the DL-only radio access network may be handed over to a second DL-only radio access network. A mobility management server, such as a Media Independent Handover (MIH) server, may communicate with the WTRU via a second radio access network that is a bidirectional radio access network to facilitate the handover. MIH messages may include fields that relate to DL-only radio access technologies may be used to facilitate handover of a DL-only link. Further, MIH broadcast or multicast messages may be used to facilitate the handover of a DL-only link. | 11-11-2010 |
| 20100302968 | COMMUNICATION ACCESS TECHNOLOGY MANAGEMENT - A method and apparatus are disclosed for communication access technology management. A wireless transmit/receive unit (WTRU) may evaluate end-to-end connection performance by sending a connection ECHO message and receiving a connection ECHO response. The connection performance may be evaluated for a connection including multiple transmission paths, and for multiple connections. The WTRU may establish or modify a multihoming communication session with a mobility server using a plurality of connections. Each connection may be established using a different interface. | 12-02-2010 |
| 20110019104 | TELEVISION BAND (TVBD) CHANNEL QUIETING ACROSS DIVERSE RADIO ACCESS TECHNOLOGIES - Disclosed herein are methods and apparatus for the communication of wireless data using diverse radio access technologies (RATs) in Television Band (TVBD) frequencies. An architecture for communicating wireless data in TVBD frequencies may include one or more network nodes that perform functions related to the coordination of channel quieting across multiple diverse RATs. Channel quieting may be performed across multiple diverse RATs by using temporary channel reassignments, by aggregating wireless transmit/receive units (WTRUs) that use a particular RAT onto the same channel, and/or via other techniques. | 01-27-2011 |
| 20110064050 | BROADCAST SERVICE HANDOVER - A wireless transmit/receive unit (WTRU) may receive a broadcast service via a broadcast system. The broadcast service may be handed over from the broadcast system to a second broadcast system, and the WTRU may receive the broadcast service via the second broadcast system. The WTRU and/or the broadcast system may change broadcast service configuration parameters (such as video encapsulation format, video codec, frame rate, audio codec) to receive and/or display broadcast service data received via the second broadcast system. Additionally, a WTRU may receive a broadcast service via a broadcast system that includes more than one broadcast transmission network. The broadcast service may be handed over from a first broadcast transmission network in the broadcast system to a second broadcast transmission network in the broadcast system. The WTRU may change broadcast service configuration parameters to receive and/or display broadcast service data received via the second broadcast transmission network. | 03-17-2011 |
| 20110110286 | METHOD AND APPARATUS FOR MULTICAST MOBILITY - A method and an apparatus for a proxy mobile Internet protocol (PMIP) supporting a dedicated multicast local mobility anchor (LMA) and mobile access gateway (MAG) is provided. The LMA assigns an Internet Protocol (IP) address to a wireless transmit receive unit (WTRU) that processes the IP address and sends a router solicitation message to a serving MAG. A WTRU is disclosed to receive a first IP address that is for unicast service and a second IP address that is for multicast services. Generally, the method and apparatus proposes architecture, interfaces, and procedures to enable multicast mobility using Proxy Mobile IP. More specifically operations of aggregated PMIP tunnels for multicast services are described. Multicast mobility is enabled when mobile nodes move from one MAG to another MAG, intra-LMA, and inter-LMA. And, Multicast mobility is enabled between bidirectional network and downlink only multicast network in a hybrid network. | 05-12-2011 |
